Frontend Developer

Implement a function that accepts an optional integer value and returns another function. When the returned function is called for the first time, it returns the initial value if provided; otherwise, it returns 0. Each subsequent call to the returned function should return a value that is 1 greater than the previous result.

Implement a function that performs selection sort. The function should take an array of integers as input and return a new array with the integers sorted in ascending order.

Build an Accordion component that displays a vertically stacked list of sections, each containing a title and a content snippet. Example HTML and a chevron icon are provided.

Building forms is a common task in Front End. In this exercise, we will build a basic "Contact Us" form, commonly seen on marketing websites, for visitors to ask questions or provide feedback.

What is the difference between inline, inline-block, and block elements? (Learn)

How do you add an event listener to an element? (Learn)

What is the difference between cookies, sessionStorage, and localStorage? (Learn)